far, they had money for 10,000 more people than they thought. 90,000 people applied and were qualified. we did a lottery to see who got 910,000 slots, it gave us a perfect comparison, a random comparison between the people who got into the medicaid program and those who got left out that gave us the ability to isolate what medicare does, the results from the first two years, we saw that medicare had a huge effect on cutting depression, it eliminated catastrophic health care costs, it got people access to a lot more preventive care. on a limited number of health indicators, blood pressure, cholesterol and blood sugars, we didn't see any actual observal impact. how much of obama care is leading to better health. >> when we look to how it contributes to the national conversation on affordable health care act, how will it be turned to effectiveness for implementing the law?